St. Louis County Map, Missouri
We allow you to use our St. Louis County map. Attribution is required.
St. Louis County, Missouri
Nestled in eastern Missouri, St. Louis County wraps around the independent city of St. Louis like a horseshoe. It’s a suburban area with a diverse population.
From Lambert International Airport to Lone Elk Park, there’s no shortage of landmarks and green spaces to explore. The area also boasts an impressive culinary scene.
Despite its urban feel, the county has Castlewood State Park, which is a local favorite for hiking and mountain biking. It’s a perfect mix of city life, culture, and green spaces to explore.
| Category | Details |
|---|---|
| County Name | St. Louis County |
| County Seat | Clayton |
| Population | Approximately 996,000 |
| Cities, Towns, and Communities | Florissant, Chesterfield, Kirkwood, Ballwin, Maryland Heights, Creve Coeur, Ferguson, Wildwood |
| Interstates and Highways | I-64, I-70, I-44, I-270, I-170, MO 141, MO 364, MO 367 |
| FIPS Code | 29-189 |
| Total Area (Land and Water) | 523 square miles (Land: 508 sq mi, Water: 15 sq mi) |
| Adjacent Counties (and Direction) | St. Charles County (North), Madison County, Illinois (Northeast), City of St. Louis (East), Franklin County (Southwest), Jefferson County (South), St. Clair County, Illinois (Southeast), Monroe County, Illinois (Southeast) |
| Time Zone | Central Time Zone (CT) |
| State | Missouri |
| Coordinates | 38.6103° N, 90.4125° W |
| Etymology | Named after King Louis IX of France |
| Major Landmarks | Forest Park, Missouri Botanical Garden, Saint Louis Zoo, Grant’s Farm, Lambert International Airport |
| Website | St. Louis County Website |
Missouri County Maps
Get to know all the counties in Missouri with our map collection.
